Catalytically Active Sites on Rutile Tin Oxide (image) University of Pittsburgh Share Print E-Mail Caption The (110) surface of rutile tin oxide with tin atoms marked in purple and oxygen atoms marked in red. Labels denote the catalytically active sites that were considered in this study. H and CO2 adsorbates prefer binding to the Obr site. Credit John A. Keith/Reproduced by permission of The Royal Society of Chemistry Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.